Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:09:09 2013 Optimize a model with 1056 rows, 92256 columns and 184416 nonzeros Presolve time: 0.16s Presolved: 1056 rows, 92256 columns, 184416 nonzeros Variable types: 92160 continuous, 96 integer (96 binary) Root relaxation: objective 1.095886e+05, 2819 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 109588.631 0 8 - 109588.631 - - 0s H 0 0 117920.00000 109588.631 7.07% - 0s 0 0 109757.652 0 4 117920.000 109757.652 6.92% - 0s H 0 0 116501.49096 109757.652 5.79% - 0s H 0 0 116004.00000 109757.652 5.38% - 0s H 0 0 111352.00000 109757.652 1.43% - 0s 0 0 109790.087 0 4 111352.000 109790.087 1.40% - 0s 0 0 109790.087 0 8 111352.000 109790.087 1.40% - 1s 0 0 109790.087 0 4 111352.000 109790.087 1.40% - 1s 0 0 109790.087 0 4 111352.000 109790.087 1.40% - 1s 0 0 109794.044 0 3 111352.000 109794.044 1.40% - 1s 0 0 109794.044 0 3 111352.000 109794.044 1.40% - 1s 0 0 109794.044 0 3 111352.000 109794.044 1.40% - 1s 0 0 109794.044 0 3 111352.000 109794.044 1.40% - 2s 0 0 109794.160 0 2 111352.000 109794.160 1.40% - 2s 0 0 109794.160 0 2 111352.000 109794.160 1.40% - 2s 0 2 109798.824 0 2 111352.000 109798.824 1.39% - 2s H 10 10 111281.00000 110018.914 1.13% 81.5 3s H 17 14 111201.00000 110018.914 1.06% 81.4 3s H 18 15 111129.00000 110018.914 1.00% 78.6 3s * 19 15 17 111114.00000 110018.914 0.99% 76.1 3s H 22 3 110180.00000 110095.784 0.08% 71.6 3s * 24 2 6 110175.00000 110095.784 0.07% 67.2 3s Cutting planes: Implied bound: 137 Flow cover: 4 Explored 34 nodes (7229 simplex iterations) in 3.81 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.101750000000e+05, best bound 1.101750000000e+05, gap 0.0%